<template>
    <div class="mui-numbox" data-numbox-min="1">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" :value="initcount" @change="countChanged" ref="numbox" readonly>
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>

<script>
import mui from "../../lib/mui/js/mui.min.js"

export default {
    mounted() {
        //初始化数字选择框组件
        mui(".mui-numbox").numbox();
    },
    methods: {
        countChanged() {
            // 数量改变了
            // console.log(this.$refs.numbox.value);
            // 当数值改变，则立即把最新的数量同步到购物车的store中，覆盖之前的数量值
            this.$store.commit('updateGoodsInfo',{
                id:this.goodsid, 
                count: this.$refs.numbox.value});
        }
    },
    props: ["initcount", "goodsid"]
};
</script>

<style lang="scss" scoped>
.mui-numbox {
    height: 25px;
    width: 116px;
}
</style>
